How to Choose the Right Bounce House or Slide Size for Your Yard

What size inflatable do I need?

Match the unit to three things: your usable yard space, your gate width, and your guests ages. A standard bounce house, about 13 by 14 feet, fits most yards and suits younger kids. Combos and 20-foot slides need more room and suit mixed ages and bigger crowds. Allow about 42 inches of gate clearance and a level setup area.

Step 1: Measure your usable space

Walk the area where the unit will sit and measure length and width at the flattest, most open spot, away from fences, branches, and wires. A standard bounce house needs roughly 13 by 14 feet plus a few feet of clearance on each side. A 20-foot dual-lane slide such as Bahama Blast needs about 38 feet of clear, level length. Leave overhead clearance too, since slides and combos are tall.

Step 2: Check your gate and access path

The crew has to walk the rolled unit to the setup spot. Most larger units need about 42 inches of gate clearance. Measure the narrowest point on the path, including gates, side yards, and stairs. If access is tight, a more compact unit like the 15-foot Cali Palms or a standard bounce house is the safer pick.

Step 3: Match the unit to your guests

  • Younger kids, smaller yard: a standard bounce house such as the Block Party or Volcano. See Bounce House Rentals.
  • Mixed ages, medium yard: a combo unit that adds a slide and climb. See Combo Bounce House Rentals.
  • Older kids and summer heat, larger yard: a water slide, single lane for tighter spaces or dual lane for bigger crowds. See Water Slide Rentals.

Quick size reference

Unit typeSpace neededBest for
Standard bounce houseabout 13 by 14 feetyounger kids, smaller yards
Combo unitmore than a bounce house, extra slide lengthmixed ages, medium yards
15-foot single-lane slidestandard yardyounger riders, tighter lots
20-foot dual-lane slideabout 38 feet of clear lengthlarger crowds and lots

Get help sizing your event

If you are unsure, the crew confirms footprint, gate width, and a level spot before delivery. Plan the rest with our Party Planning Guide, find your city at our locations page, and book at Bounce Event Rentals or call or text (720) 783-2900.

Sizing FAQs

What is the smallest space a bounce house needs?

About 13 by 14 feet plus clearance on each side and a level surface, with roughly 42 inches of gate access.

A 20-foot dual-lane slide needs about 38 feet of clear, level length plus overhead clearance.